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Mnenie [13.5K]
2 years ago
13

Find the diameter of a cirele with a circumference, c, of 27cm. HELP WILL GIVE BRAINLIST IF CORRECT ANSWER

Mathematics
1 answer:
Verdich [7]2 years ago
5 0

Answer:

54

Step-by-step explanation:

The circumfirance is the diameter times 2

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vitfil [10]
Is there an image i don’t understand what expressions you’re asking for?
6 0
3 years ago
Represent the geometric series using the explicit formula.
Dennis_Churaev [7]

The correct answer is:

b.) f(n) = 3 • (-2)^(n-1)

Further explanation:

Given sequence is:

3, -6, 12, -24, ...

We have to find the common ratio first.

Common ratio is the ratio between two consecutive terms of a geometric sequence.

It is denoted by r.

So,

Here,\\a_1=3\\a_2=-6\\a_3=12\\a_4=-24\\r=\frac{a_2}{a_1}=\frac{-6}{3}=-2\\\frac{a_3}{a_2}=\frac{12}{-6}=-2

General formula for geometric sequence is:

a_n=a_1r^{n-1}\\Here\\a_n\ is\ the\ nth\ term\\a_1\ is\ the\ first\ term\\and\\r\ is\ common\ ratio

Putting the values of a1 and r

a_n=3.(-2)^{n-1}\\f(n)=3.(-2)^{n-1}

Hence,

The correct answer is:

b.) f(n) = 3 • (-2)^(n-1)

Keywords: Geometric Sequence, Explicit formula

Learn more about geometric sequence at:

  • brainly.com/question/2048256
  • brainly.com/question/2115122

#LearnwithBrainly

7 0
3 years ago
If the graph of y = lxl is translated so that the point (1, 1) is moved to (1.4), what is the equation of the new graph?
Fittoniya [83]

Answer:

y = |x| + 3.

Step-by-step explanation:

The movement of  the y value from 1 to 4 is  a translation  of 3 units upwards.

The graph  is y = |x| + 3.

7 0
3 years ago
Please help meeeee I don’t really understand it
vredina [299]
3*3+4*4=x*x and 9+16=25 so x is 5 and then add other sides so 5+8+4+5
7 0
3 years ago
Diana is solving the inequality 2x−14≤8.
Rainbow [258]

Answer:

The number line on the top right

Step-by-step explanation:

Her solution should be

2x - 14 ≤ 8

   x ≤ 22

     x ≤ 11  

'x' is less than or equal to 11.

8 0
3 years ago
Read 2 more answers
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